Answer:
Step-by-step explanation:
number of bluebirds = 14
number of robins = 11
Total selected birds = 7
There are several ways to select the birds
(1) Selection of 7 blue birds out of 14 =
(2) selection of 6 blue birds and 1 robin =
(3) selection of 5 blue birds and 2 robins =
(4) selection of 4 blue birds and 3 robins =
So, the total number of selections to have more blue birds than robins =
= 6864 + 330330 + 110110 + 165165 = 612469